128640204

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:561

約数の個数: 192

約数和(自身を含む): 430080000

約数和(自身を除く): 301439796

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 27, 28, 31, 33, 36, 42, 44, 54, 62, 63, 66, 77, 84, 93, 99, 108, 124, 126, 132, 154, 186, 189, 198, 217, 231, 252, 279, 297, 308, 341, 372, 378, 396, 434, 462, 499, 558, 594, 651, 682, 693, 756, 837, 868, 924, 998, 1023, 1116, 1188, 1302, 1364, 1386, 1497, 1674, 1953, 1996, 2046, 2079, 2387, 2604, 2772, 2994, 3069, 3348, 3493, 3906, 4092, 4158, 4491, 4774, 5489, 5859, 5988, 6138, 6986, 7161, 7812, 8316, 8982, 9207, 9548, 10479, 10978, 11718, 12276, 13473, 13972, 14322, 15469, 16467, 17964, 18414, 20958, 21483, 21956, 23436, 26946, 28644, 30938, 31437, 32934, 36828, 38423, 41916, 42966, 46407, 49401, 53892, 61876, 62874, 64449, 65868, 76846, 85932, 92814, 94311, 98802, 108283, 115269, 125748, 128898, 139221, 148203, 153692, 170159, 185628, 188622, 197604, 216566, 230538, 257796, 278442, 296406, 324849, 340318, 345807, 377244, 417663, 433132, 461076, 510477, 556884, 592812, 649698, 680636, 691614, 835326, 974547, 1020954, 1037421, 1191113, 1299396, 1383228, 1531431, 1670652, 1949094, 2041908, 2074842, 2382226, 2923641, 3062862, 3573339, 3898188, 4149684, 4594293, 4764452, 5847282, 6125724, 7146678, 9188586, 10720017, 11694564, 14293356, 18377172, 21440034, 32160051, 42880068, 64320102, 128640204]

約数ペア:

[(1, 128640204), (2, 64320102), (3, 42880068), (4, 32160051), (6, 21440034), (7, 18377172), (9, 14293356), (11, 11694564), (12, 10720017), (14, 9188586), (18, 7146678), (21, 6125724), (22, 5847282), (27, 4764452), (28, 4594293), (31, 4149684), (33, 3898188), (36, 3573339), (42, 3062862), (44, 2923641), (54, 2382226), (62, 2074842), (63, 2041908), (66, 1949094), (77, 1670652), (84, 1531431), (93, 1383228), (99, 1299396), (108, 1191113), (124, 1037421), (126, 1020954), (132, 974547), (154, 835326), (186, 691614), (189, 680636), (198, 649698), (217, 592812), (231, 556884), (252, 510477), (279, 461076), (297, 433132), (308, 417663), (341, 377244), (372, 345807), (378, 340318), (396, 324849), (434, 296406), (462, 278442), (499, 257796), (558, 230538), (594, 216566), (651, 197604), (682, 188622), (693, 185628), (756, 170159), (837, 153692), (868, 148203), (924, 139221), (998, 128898), (1023, 125748), (1116, 115269), (1188, 108283), (1302, 98802), (1364, 94311), (1386, 92814), (1497, 85932), (1674, 76846), (1953, 65868), (1996, 64449), (2046, 62874), (2079, 61876), (2387, 53892), (2604, 49401), (2772, 46407), (2994, 42966), (3069, 41916), (3348, 38423), (3493, 36828), (3906, 32934), (4092, 31437), (4158, 30938), (4491, 28644), (4774, 26946), (5489, 23436), (5859, 21956), (5988, 21483), (6138, 20958), (6986, 18414), (7161, 17964), (7812, 16467), (8316, 15469), (8982, 14322), (9207, 13972), (9548, 13473), (10479, 12276), (10978, 11718)]